| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting system of superb workability enabling construction whether a height of a space above a ceiling is low while a space in a lateral direction is enough or a height of a space above a ceiling is high while a space in a lateral direction is scarce. <P>SOLUTION: The lighting system is provided with a substrate having light-emitting elements on the surface, a heat sink 5, for radiating heat generated and transferred from the light-emitting elements into the air, equipped with a plurality of fins of which outermost fins 5b each have a slit, and a power supply unit 2 with leg parts 16 which can be inserted into the slits for feeding electric current to the light-emitting elements. <P>COPYRIGHT: (C)2013,JPO&INPIT |
